CN219498132U - Self-fusing type battery module safety protection structure for power energy storage - Google Patents
Self-fusing type battery module safety protection structure for power energy storage Download PDFInfo
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- CN219498132U CN219498132U CN202223021939.5U CN202223021939U CN219498132U CN 219498132 U CN219498132 U CN 219498132U CN 202223021939 U CN202223021939 U CN 202223021939U CN 219498132 U CN219498132 U CN 219498132U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to a self-breaking type battery module safety protection structure for electric power energy storage, which comprises a battery module insertion box for electric power energy storage, an external electric connector and a battery module, wherein an electric connection piece assembly comprises an inner electric connection piece and an outer electric connection piece, the inner electric connection piece is used for connecting two adjacent battery modules in the battery module insertion box for electric power energy storage, and the outer electric connection piece is used for connecting the battery modules at the front end and the tail end of the battery module insertion box for electric power energy storage with the external electric connector; the inner electric connection sheet and the outer electric connection sheet are quickly fused when the current of the inner circuit and the outer circuit exceeds the current of the normal working condition, so that the safety protection of the battery and the high-voltage loop is realized. The utility model has smart design and simple structure, and has good market prospect and development space for the prior art because the circuit in the current scene of internal and external short circuit or system overcurrent exceeding the normal use working condition is quickly fused to cut off the high-voltage loop of the battery and realize the safety protection of the battery and the high-voltage loop.
Description
Technical Field
The utility model relates to the technical field of safe power utilization of a battery module for power energy storage, in particular to a safe protection structure of a battery module for self-breaking power energy storage.
Background
In the existing battery module and system design for electric power energy storage, the volume, capacity and energy of a single battery are larger and larger, and safety protection measures such as short circuit of the battery module are mainly protected by means of safety fuses or software strategies additionally arranged on an external circuit, and once the current of the external circuit or a power grid side and a load side is overlarge, or the internal short circuit caused by the defect of a battery core or the abnormality of the battery cannot be realized, so that the battery is electrically connected with a high-voltage loop and is extremely easy to cause secondary electric injury.
How to design a design benefit, simple structure, circuit under inside and outside short circuit or the system overcurrent surpasses normal use working condition current scene fast-melt cuts off the battery high voltage circuit, realizes the safety protection of battery and high voltage circuit, improves battery module stability and security, improves battery life's a battery module safety protection structure for self-fluxing off formula electric power energy storage is the problem that needs to solve at present.
Disclosure of Invention
In order to solve the technical problems that in the existing battery module and system design for electric power energy storage, the volume, capacity and energy of a single battery are larger and larger, safety protection measures such as short circuit of the battery module are mainly protected by means of safety fuses or software strategies additionally arranged on an external circuit, once the current on the external circuit or a power grid side and a load side is overlarge, or the internal short circuit caused by the defects of a battery core or the abnormality of the battery itself occurs, the quick cutting-off of a high-voltage circuit of the battery electric connection cannot be realized, secondary electric injury and the like are extremely easy to cause.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a battery module safety protection structure for self-breaking type electric power energy storage, includes battery module subrack for electric power energy storage, outside electric connector and battery module, and outside electric connector is totally two, and the symmetry sets up on the front end panel of battery module subrack for electric power energy storage, and the battery module is installed in proper order according to battery polarity in battery module subrack for electric power energy storage, is provided with the electric connection piece subassembly between two adjacent battery modules, the electric connection piece subassembly includes interior electric connection piece and outer electric connection piece, and wherein, interior electric connection piece is used for connecting two adjacent battery modules in the battery module subrack for electric power energy storage, and outer electric connection piece is used for the connection between battery module and the outside electric connector at battery module subrack end to end for electric power energy storage; the inner electric connecting sheet and the outer electric connecting sheet are quickly fused when the current of the inner circuit and the outer circuit exceeds the current of the normal working condition, so that the safety protection of the battery and the high-voltage loop is realized.
As an optimization scheme of the battery module safety protection structure for the self-fusing type electric power energy storage, the inner electric connecting sheet and the outer electric connecting sheet both comprise a plurality of parallel arched fusing strips and wing plates arranged on the sides of the arched fusing strips.
As an optimization scheme of the battery module safety protection structure for the self-fusing type power storage, two wing plates are symmetrically arranged on two sides of the arched fusing strip of the inner electric connecting sheet.
As an optimization scheme of the battery module safety protection structure for the self-fusing type electric power energy storage, one side of an arched fusing strip of the external electric connecting sheet is provided with a wing plate, and the other side of the arched fusing strip of the external electric connecting sheet is provided with an intermediate connecting plate for connecting the battery module to the external electricity and outputting total voltage or total current.
As an optimization scheme of the self-fusing type battery module safety protection structure for electric power energy storage, the middle connecting plate is provided with a middle connecting plate fixing hole.
As an optimization scheme of the battery module safety protection structure for the self-fusing type power energy storage, a fixing nut for battery voltage and temperature sampling points is arranged at the inner arch bending position of the arch fusing strip.
As an optimization scheme of the battery module safety protection structure for the self-fusing type power energy storage, the wing plates are provided with position positioning holes for welding the electric connection sheets and the electric core polar columns.
As an optimization scheme of the self-fusing type battery module safety protection structure for electric power energy storage, the surfaces of the inner electric connecting sheet and the outer electric connecting sheet are sprayed with anti-oxidation insulating coatings.
As an optimization scheme of the self-fusing type battery module safety protection structure for electric power energy storage, the materials of the inner electric connecting sheet and the outer electric connecting sheet are aluminum, copper or nickel.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model comprises a battery module insertion box for power energy storage, an external electric connector and a battery module, wherein an electric connection piece assembly is arranged between two adjacent battery modules, an internal electric connection piece and an external electric connection piece are quickly fused when the current of the internal circuit and the external circuit exceeds the current of normal working conditions, and the safety protection of a battery and a high-voltage loop is realized.
Drawings
FIG. 1 is a schematic view of the interior of a battery module receptacle for storing electrical energy;
FIG. 2 is a schematic view of the mounting locations of the inner and outer electrical tabs of the present utility model;
FIG. 3 is a schematic front view of an inner electrical connection pad;
FIG. 4 is a schematic rear view of an inner electrical connection pad;
FIG. 5 is a schematic perspective view of an external electrical connection pad;
the marks in the figure: 1. the battery module plug-in box for electric power energy storage comprises a battery module plug-in box 2, an external electric connector 3, a battery module 4, an internal electric connecting piece 5, an external electric connecting piece 6, an arched fusing strip 7, a wing plate 8, a position locating hole 9, an intermediate connecting plate 10, an intermediate connecting plate fixing hole 11 and a fixing nut.
Detailed Description
The following describes the embodiments of the present utility model in further detail with reference to the drawings.
As shown in fig. 1, fig. 1 is a schematic diagram of the inside of a battery module plug box for power storage, which is a self-breaking type battery module safety protection structure for power storage, and comprises a battery module plug box 1 for power storage, an external electric connector 2 and a battery module 3, wherein the external electric connector 2 is two in total and symmetrically arranged on the front end panel of the battery module plug box 1 for power storage, and the battery module 3 is sequentially arranged in the battery module plug box 1 for power storage according to battery polarity.
As shown in fig. 2, fig. 2 is a schematic diagram of installation positions of an inner electric connection sheet and an outer electric connection sheet, wherein an electric connection sheet assembly is arranged between two adjacent battery modules 3, and the electric connection sheet assembly comprises an inner electric connection sheet 4 and an outer electric connection sheet 5, wherein the inner electric connection sheet 4 is used for connecting two adjacent battery modules 3 in a battery module insertion box 1 for electric energy storage, and the outer electric connection sheet 5 is used for connecting the battery modules 3 at the front end and the tail end of the battery module insertion box 1 for electric energy storage with an external electric connector 2; the inner electric connection sheet 4 and the outer electric connection sheet 5 are quickly fused when the current of the inner circuit and the outer circuit exceeds the current of the normal working condition, so that the safety protection of the battery and the high-voltage loop is realized.
As shown in fig. 3, 4 and 5, fig. 3 is a schematic front view of the inner electric connection piece, fig. 4 is a schematic back view of the inner electric connection piece, and fig. 5 is a schematic perspective view of the outer electric connection piece; the inner electric connecting piece 4 and the outer electric connecting piece 5 respectively comprise a plurality of parallel arched fusing strips 6 and wing plates 7 arranged on the side edges of the arched fusing strips 6. Two wing plates 7 are symmetrically arranged on two sides of the arched fusing strip 6 of the inner electric connecting sheet 4. One side of the arched fusing strip 6 of the external connecting sheet 5 is provided with a wing plate 7, and the other side is provided with an intermediate connecting plate 9 for connecting the battery module to the external electricity and outputting total voltage or total current. The middle connecting plate 9 is provided with a middle connecting plate fixing hole 10. The inner arch of the arch-shaped fusing strip 6 is provided with a fixing nut 11 for battery voltage and temperature sampling points. The wing plates 7 are respectively provided with a position locating hole 8 for welding the electric connecting sheet and the electric core polar column.
And the surfaces of the inner electric connecting sheet 4 and the outer electric connecting sheet 5 are sprayed with anti-oxidation insulating coatings.
The inner electric connecting piece 4 and the outer electric connecting piece 5 are made of aluminum, copper or nickel.
In practical application, the inner electric connection sheet 4 and the outer electric connection sheet 5 are added with a protective spraying layer protection process, preferably a coating protection such as nickel plating or tin plating, or an insulating material such as PVC is sprayed.
The position locating holes 8 for welding the inner electric connecting sheet 4, the outer electric connecting sheet 5 and the electric core electrode post are preferably laser welding, and have small welding spots and are firmer.
The fixing nut 10 for battery voltage and temperature sampling points is arranged at the inner arch bending position of the arch-shaped fusing strip 6, and the riveting process is preferable, so that the use is firmer.
As shown in fig. 1 and 2, the working principle of the present utility model is as follows: the two external electric connectors 2 are symmetrically arranged on the front end panel of the battery module inserting box 1 for power storage, the battery modules 3 are sequentially arranged in the battery module inserting box 1 for power storage according to battery polarity, the inner electric connecting sheets 4 are used for connecting two adjacent battery modules 3 in the battery module inserting box 1 for power storage, and the outer electric connecting sheets 5 are used for connecting the battery modules 3 at the front end and the tail end of the battery module inserting box 1 for power storage with the external electric connectors 2; the inner electric connection sheet 4 and the outer electric connection sheet 5 are quickly fused when the current of the inner circuit and the outer circuit exceeds the current of the normal working condition, so that the safety protection of the battery and the high-voltage loop is realized.
The electric connection structure between the battery cells of the battery module for electric power energy storage can be normally used under the rated current and voltage working condition of normal design of the battery, and once the circuit short circuit occurs inside and outside the battery module or the system is in a current scene exceeding the normal working condition, the electric connection sheet is quickly fused, so that the safety protection of the circuit is realized.
The utility model has ingenious design and simple structure, and can cut off the high-voltage circuit of the battery rapidly when the internal and external short circuits or the system overcurrent exceeds the normal use working condition current, thereby realizing the safety protection of the battery and the high-voltage circuit, improving the stability and the safety of the battery module, prolonging the service life of the battery, solving the technical problems of larger volume, capacity and energy of the single battery selected in the existing battery module and system design for electric power energy storage, ensuring the safety protection measures such as short circuit of the battery module and the like mainly by means of the safety fuse or software strategy additionally arranged on the external circuit, and having the technical problems of extremely easy secondary electric injury and the like when the external circuit or the power grid side and the load side current are excessively large or the internal short circuit caused by the defects of the battery core or the abnormality of the battery itself occurs, thus having good market prospect and development space for the prior art.
While the preferred embodiments and examples of the present utility model have been described in detail with reference to the accompanying drawings, the present utility model is not limited to the above-described embodiments and examples, and various changes may be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.
Claims (9)
1. The utility model provides a battery module safety protection structure for self-breaking type electric power energy storage, includes battery module subrack (1) for the electric power energy storage, outside electric connector (2) and battery module (3), and outside electric connector (2) are total two, and the symmetry sets up on the front end panel of battery module subrack (1) for the electric power energy storage, and battery module (3) are installed in proper order in battery module subrack (1) for the electric power energy storage according to battery polarity, its characterized in that: an electric connection piece assembly is arranged between two adjacent battery modules (3), and comprises an inner electric connection piece (4) and an outer electric connection piece (5), wherein the inner electric connection piece (4) is used for connecting the two adjacent battery modules (3) in the battery module insertion box (1) for electric power energy storage, and the outer electric connection piece (5) is used for connecting the battery modules (3) at the head end and the tail end of the battery module insertion box (1) for electric power energy storage with an external electric connector (2); the inner electric connecting sheet (4) and the outer electric connecting sheet (5) are quickly fused when the current of the inner circuit and the outer circuit exceeds the current of the normal working condition, so that the safety protection of the battery and the high-voltage loop is realized.
2. The self-breaking battery module safety protection structure for power storage according to claim 1, wherein: the inner electric connecting sheet (4) and the outer electric connecting sheet (5) comprise a plurality of parallel arched fusing strips (6) and wing plates (7) arranged on the side edges of the arched fusing strips (6).
3. The self-breaking battery module safety protection structure for power storage according to claim 2, wherein: two wing plates (7) are symmetrically arranged on two sides of the arched fusing strip (6) of the inner electric connecting sheet (4).
4. The self-breaking battery module safety protection structure for power storage according to claim 2, wherein: one side of an arched fusing strip (6) of the external connecting sheet (5) is provided with a wing plate (7), and the other side is provided with an intermediate connecting plate (9) for connecting the battery module to the external electricity and outputting total voltage or total current.
5. The self-breaking power storage battery module safety protection structure according to claim 4, wherein: the middle connecting plate (9) is provided with a middle connecting plate fixing hole (10).
6. The self-breaking battery module safety protection structure for power storage according to claim 2, wherein: the inner arch part of the arch-shaped fusing strip (6) is provided with a fixing nut (11) for battery voltage and temperature sampling points.
7. The self-breaking battery module safety protection structure for power storage according to claim 2, wherein: the wing plates (7) are provided with position locating holes (8) for welding the electric connecting sheet and the electric core polar column.
8. The self-breaking battery module safety protection structure for power storage according to claim 1, wherein: and the surfaces of the inner electric connecting sheet (4) and the outer electric connecting sheet (5) are sprayed with an anti-oxidation insulating coating.
9. The self-breaking battery module safety protection structure for power storage according to claim 1, wherein: the inner electric connecting sheet (4) and the outer electric connecting sheet (5) are made of aluminum, copper or nickel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223021939.5U CN219498132U (en) | 2022-11-14 | 2022-11-14 | Self-fusing type battery module safety protection structure for power energy storage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223021939.5U CN219498132U (en) | 2022-11-14 | 2022-11-14 | Self-fusing type battery module safety protection structure for power energy storage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219498132U true CN219498132U (en) | 2023-08-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223021939.5U Active CN219498132U (en) | 2022-11-14 | 2022-11-14 | Self-fusing type battery module safety protection structure for power energy storage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219498132U (en) |
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2022
- 2022-11-14 CN CN202223021939.5U patent/CN219498132U/en active Active
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